Film printing machine



7 March 14 1933. A HE|NE HAL 1,901,645

FILM PRINTING MACHINE Filed 06x. 30, 1950 1 a i 57/ A f 3 Inventors: i Adolf Heine,

. Friedrich Wilhelm Dustmann,

W A by Their Attorney.

Patented Mar. 14, 1933 UNITED STATES PATENT OFFICE ADOLF HEINE, F BEBLIN-LICHTENBERG, AND FRIEDRICH WILHELM DUSTMANN, OF

BERLIN, GERMANY, ASSIGNOBS T0 GENERAL ELECTRIC COMPANY, A. CQRPORA- TION 01 NEW YORK rim ram'rme MACHINE Application filed October 30, 1930, Serial No. 492,328, and in Germany October 80, 1929.

Our invention relates to film printing machines and particularly to those adapted for use in printing sound records. It is the object of our invention to provide an improved machine of this character having adjustments by means of which the record may be caused to be printed on any desired portion laterally of the print film. Our invention will be better understood from the following description taken in connection with the accompanying drawing, and its scope will be pointed out in the appended claims. 7

Referring to the drawing, Fig. 1 is a plan View of a machine embodying my invention; and Fig. 2 is a cross section of the machine taken on line 22 of Fig. 1.

In the drawing we have shown mounted on the base plate 1 the take-off and take-up reels 2 and 3 respectively for the record film, and the take-off and take-up reels 4 and 5 respectively for the print film. Reels 3 and 5 are rotated by the electric motor 6 through suitable drive connections including shafts 7, 8 and 9. Arranged between reels 2 and 3 is the casing 12 which contains .a suitable light source which forms no part of our present invention. At the front of-the casing 12-is the plate 13 at the sides of which are the guides 14 in which the plate 15 is arranged to slide. Secured to plate 15 at its central portion is the member 16 having a curvedsurface over which the two films are adapted to be drawn. In this curved surface is mounted the window 17 through which the light is admitted from the light source in casing 12 to the unexposed print film. If desired the window 17 may be provided in a separate detachable member whereby the operator may select windows of various lengths and widths to suit particular circumstances. The record film 20 is driven by the feed rollers 21, 22 and 23 which by suitable gears are operatively connected with the shaft 8. Feed roll ers 21 and 23 have a fixed mounting on the base plate 1 but the feed roller 22 and rollers 24 and 25 are carried by the adjustable plate 15 so that they are movable vertically with .the member 16' having the curved surface. For producing vertical adjustment of the plate 15, we provide the plate with short racks 26 which are engaged by pinions 27 mounted on a shaft 28 at the ends of which are the knobs 29, the shaft 28 being journalled in ears 30 on the guides 14. The plate 15 may be secured-to plate 13 in any desired position of adjustment by means of the thumb screws 31 which are mounted on plate 13 and extend through slots in the plate 15.

The print film 33 is driven by the feed roller 34 which is connected by means of suitable gears with the shaft 8. This film is also guided'by suitable rollers 35 and 36. The latter rollers together with rollers 24 and 25 cause the record and print films to press lightly against the curved surface of member 16. The various rollers which en-' gage the print film are fixedly mounted on the base plate 1. Suitable means including additional rollers may be employed if desired to' press the films against member 16 adjacent the window.

It will thus be seenthat by means of the construction which we have have shown and described the print film 33 moves in a fixed path over the curved surface while by means of the adjustable feature the record film together wlth the curved surface is laterally adjustable with respect to the print film. By reason of this adjustment the record on the record film may be printed in any desired portion laterally of the print film. Our invention is not limited to the printing of sound records but is adapted also for use in printing picture records as for example in the case of colored picture films or wherever it is desirable to print a record of any kind from one film to another in a different relative lateral position than that in which the record appears on the'record film.

We have chosen the particular embodiment described above as illustrative of our invention and it willbe apparent that various modifications may be made without departing from the spirit and scope of our invention which modifications we aim to cover by the appended claims.

What we claim as new and desire to secure by Letters Patent of the United States is:

1. A film printing machine comprising a member having a convex surface having therein an exposing window means for drawing a record film and a print film over said surface, guiding means for one of said films, 5 means for adjusting the position of said member and said guiding means laterally with respect to the other film and a motor connected to. drive said films.

2. A film printing machine comprising fixedly mounted rollers for guiding a print film,

an assembly mounted for adjustment laterally of said film including rollers for guiding a record film and a member having a convex face having therein an exposing window and adapted to support both of said films in contiguous relation, means for adjusting said assembly laterally of the print film and rneans for driving said films past said win- 0w. 29 In Witness whereof, we have hereunto set our hands the 14th day of October, 1930.

FRIEDRICH WILHELM DUSTMANN.

ADOLF HEINE. 

